From 9ec88626eac5e3e7c5fd719135545f1ac31fab8b Mon Sep 17 00:00:00 2001
From: Ralf Jung <post@ralfj.de>
Date: Sun, 14 Nov 2021 19:03:32 -0500
Subject: [PATCH] expand comment
---
src/test/ui/consts/const_discriminant.rs | 1 +
1 file changed, 1 insertion(+)
diff --git a/src/test/ui/consts/const_discriminant.rs b/src/test/ui/consts/const_discriminant.rs
index a9c0217ae24..f623c5101f4 100644
--- a/src/test/ui/consts/const_discriminant.rs
+++ b/src/test/ui/consts/const_discriminant.rs
@@ -27,6 +27,7 @@ const TEST_V: Discriminant<SingleVariant> = discriminant(&SingleVariant::V);
pub const TEST_VOID: () = {
// This is UB, but CTFE does not check validity so it does not detect this.
+ // This is a regression test for https://github.com/rust-lang/rust/issues/89765.
unsafe { std::mem::discriminant(&*(&() as *const () as *const Void)); };
};